From 2ca96d8970698d6130be2dcf4129be877cd8df82 Mon Sep 17 00:00:00 2001
From: Kevin Nowaczyk <beakerboy99@yahoo.com>
Date: Fri, 25 Apr 2025 10:40:02 -0400
Subject: [PATCH 1/3] Update combine_ways.js

---
 test/combine_ways.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/combine_ways.js b/test/combine_ways.js
index 4757e9f..cf5cda6 100644
--- a/test/combine_ways.js
+++ b/test/combine_ways.js
@@ -51,3 +51,18 @@ test('Test combining 2 unaligned ways', () => {
   let expected = parser.parseFromString(way3, 'text/xml');
   expect(result[0].outerHTML).toBe(way3);
 });
+
+test('Test combining 3 ways 1->2->3', () => {
+  var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/></way>';
+  var way2 = '<way id="2"><nd ref="3"/><nd ref="4"/><nd ref="5"/></way>';
+  var way3 = '<way id="3"><nd ref="5"/><nd ref="6"/><nd ref="1"/></way>';
+  var way4 = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/><nd ref="4"/><nd ref="5"/><nd ref="6"/><nd ref="1"/></way>';
+  let parser = new window.DOMParser();
+  let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
+  let xml2 = parser.parseFromString(way2, 'text/xml').getElementsByTagName('way')[0];
+  let xml3 = parser.parseFromString(way3, 'text/xml').getElementsByTagName('way')[0];
+  let result = BuildingShapeUtils.combineWays([xml1, xml2, xml3]);
+  expect(result.length).toBe(1);
+  let expected = parser.parseFromString(way4, 'text/xml');
+  expect(result[0].outerHTML).toBe(way3);
+});

From 4a6e252fb04ef24c0efc80448adcfd77d6fbf7fb Mon Sep 17 00:00:00 2001
From: Kevin Nowaczyk <beakerboy99@yahoo.com>
Date: Fri, 25 Apr 2025 10:43:55 -0400
Subject: [PATCH 2/3] Update combine_ways.js

---
 test/combine_ways.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/combine_ways.js b/test/combine_ways.js
index cf5cda6..a78a0ad 100644
--- a/test/combine_ways.js
+++ b/test/combine_ways.js
@@ -66,3 +66,19 @@ test('Test combining 3 ways 1->2->3', () => {
   let expected = parser.parseFromString(way4, 'text/xml');
   expect(result[0].outerHTML).toBe(way3);
 });
+
+test('Test combining 4 ways', () => {
+  var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/></way>';
+  var way2 = '<way id="2"><nd ref="3"/><nd ref="4"/><nd ref="5"/></way>';
+  var way3 = '<way id="3"><nd ref="6"/><nd ref="5"/></way>';
+  var way4 = '<way id="4"><nd ref="6"/><nd ref="1"/><nd ref="1"/></way>';
+  var way5 = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/><nd ref="4"/><nd ref="5"/><nd ref="6"/><nd ref="1"/></way>';
+  let parser = new window.DOMParser();
+  let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
+  let xml2 = parser.parseFromString(way2, 'text/xml').getElementsByTagName('way')[0];
+  let xml3 = parser.parseFromString(way3, 'text/xml').getElementsByTagName('way')[0];
+  let result = BuildingShapeUtils.combineWays([xml1, xml2, xml3]);
+  expect(result.length).toBe(1);
+  let expected = parser.parseFromString(way4, 'text/xml');
+  expect(result[0].outerHTML).toBe(way3);
+});

From d40554a7e3df37b71f19f67782510f101f6d97c0 Mon Sep 17 00:00:00 2001
From: Kevin Nowaczyk <beakerboy99@yahoo.com>
Date: Fri, 25 Apr 2025 15:33:32 -0400
Subject: [PATCH 3/3] Combining (#81)

* Update combine_ways.je
---
 test/combine_ways.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/combine_ways.js b/test/combine_ways.js
index a78a0ad..1a08699 100644
--- a/test/combine_ways.js
+++ b/test/combine_ways.js
@@ -13,6 +13,14 @@ import { Shape } from 'three';
 import { BuildingShapeUtils } from '../src/extras/BuildingShapeUtils.js';
 // import { JSDOM } from 'jsdom';
 
+test('Test no combining necessary. one open way', () => {
+  var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/><nd ref="4"/></way>';
+  let parser = new window.DOMParser();
+  let xml1 = parser.parseFromString(way1, 'text/xml').getElementsByTagName('way')[0];
+  let result = BuildingShapeUtils.combineWays([xml1]);
+  expect(result.length).toBe(0);
+});
+
 test('Test combining 2 ways 1->2', () => {
   var way1 = '<way id="1"><nd ref="1"/><nd ref="2"/><nd ref="3"/></way>';
   var way2 = '<way id="2"><nd ref="3"/><nd ref="4"/><nd ref="1"/></way>';